Without your css I can not be exact, but the easiest method is to get its colour the same as the background colour.

Salar

---

HI

my css is;

/* ================================
    CSS STYLES FOR DotNetNuke
   ================================
*/  


/* PAGE BACKGROUND */
/* background color for the header at the top of the page  */
.HeadBg {
}

/* background color for the content part of the pages */
Body
{
}

.ControlPanel {
}

/* background/border colors for the selected tab */
.TabBg {
}

.LeftPane  {
}

.ContentPane  {
}

.RightPane  {
}

/* text style for the selected tab */
.SelectedTab {
}

/* hyperlink style for the selected tab */
A.SelectedTab:link {
}

A.SelectedTab:visited  {
}

A.SelectedTab:active   {
}

A.SelectedTab:hover    {
}

/* text style for the unselected tabs */
.OtherTabs {
}
   
/* hyperlink style for the unselected tabs */
A.OtherTabs:link {
}

A.OtherTabs:visited  {
}

A.OtherTabs:active   {
}

A.OtherTabs:hover    {
}

/* GENERAL */
/* style for module titles */
.Head   {
}

/* style of item titles on edit and admin pages */
.SubHead    {
}

/* module title style used instead of Head for compact rendering by QuickLinks and Signin modules */
.SubSubHead {
}

/* text style used for most text rendered by modules */
.Normal
{
font-size: 0.8em;
}

/* text style used for textboxes in the admin and edit pages, for Nav compatibility */
.NormalTextBox
{
}

.NormalRed
{
}

.NormalBold
{
}

/* text style for buttons and link buttons used in the portal admin pages */
.CommandButton     {
}
   
/* hyperlink style for buttons and link buttons used in the portal admin pages */
A.CommandButton:link {
}

A.CommandButton:visited  {
}

A.CommandButton:active   {
}

A.CommandButton:hover    {
}
   
/* button style for standard HTML buttons */
.StandardButton     {
}

/* GENERIC */
H1  {
}

H2  {
}

H3  {
}

H4  {
}

H5, DT  {
}

H6  {
}

TFOOT, THEAD    {
}

TH  {
}

A:link  {
}

A:visited   {
}

A:active    {
}

A:hover {
color: black;
}

SMALL   {
}

BIG {
}

BLOCKQUOTE, PRE {
}


UL LI   {
}

UL LI LI    {
}

UL LI LI LI {
}

OL LI   {
}

OL OL LI    {
}

OL OL OL LI {
}

HR {
}

/* MODULE-SPECIFIC */
/* text style for reading messages in Discussion */   
.Message    {
}  

/* style of item titles by Announcements and events */
.ItemTitle    {
}

/* Menu-Styles */
/* Module Title Menu */
.ModuleTitle_MenuContainer {
}

.ModuleTitle_MenuBar {
}

.ModuleTitle_MenuItem {
}

.ModuleTitle_MenuIcon {
}

.ModuleTitle_SubMenu {
}

.ModuleTitle_MenuBreak {
}

.ModuleTitle_MenuItemSel {
}

.ModuleTitle_MenuArrow {
}

.ModuleTitle_RootMenuArrow {
}

/* Main Menu */

.MainMenu_MenuContainer {
}

.MainMenu_MenuBar {
}

.MainMenu_MenuItem {
cursor: hand;
font-size: 0.9em;
height: 20pt;
font-weight: bold;
}

.MainMenu_MenuIcon {
margin: 0;
padding: 0;
border: #99ccff 1px solid;
height: 1px;
background-color: #99ccff;
}

.MainMenu_SubMenu {
cursor: hand;
background: #99ccff;
margin: 0;
padding: 0;
border: 0;
}

.MainMenu_MenuBreak {
margin: 0;
padding: 0;
border: #99ccff 1px solid;
height: 1px;
background-color: #99ccff;
}

.MainMenu_MenuItemSel {
cursor: hand;
font-size: 0.9em;
height: 20pt;
font-weight: bold;
}

.MainMenu_MenuArrow {
margin: 0;
padding: 0;
border: #99ccff 1px solid;
height: 1px;
background-color: #99ccff;
}

.MainMenu_RootMenuArrow {
}

.header {
font-family: arial,helvetica,sans-serif;
color: white;
font-size: 2em;
font-weight: bold;
}

.topnav {
font-family: arial,helvetica,sans-serif;
color: #0066cc;
font-size: 0.9em;
font-weight: bold;
}

.topnav A:link {
font-weight: bold;
decoration: none;
color: #0066cc;
}
.topnav A:active {
font-weight: bold;
decoration: none;
color: #0066cc;
}
.topnav A:visited {
font-weight: bold;
decoration: none;
color: #0066cc;
}
.topnav A:hover {
font-weight: bold;
decoration: underline;
color: black;
}
.footer {
font-family: arial,helvetica,sans-serif;
color: #0066cc;
font-size: 0.7em;
}
.footer A:link {
color: #0066cc;
decoration: none;
font-weight: bold;
font-size: 0.9em;
}
.footer A:active {
color: #0066cc;
decoration: none;
font-weight: bold;
font-size: 0.9em;
}
.footer A:visited {
color: #0066cc;
decoration: none;
font-weight: bold;
font-size: 0.9em;
}
.footer A:hover {
color: black;
decoration: underline;
font-weight: bold;
font-size: 0.9em;
}
.nhspcontainerheader {
font-family: arial,helvetica,sans-serif;
color: white;
font-size: 0.8em;
font-weight: bold;
}
.submenu
{
background: #99ccff;
}
.dl {
font-size: 1.5em;
}